Home / 2,588.50-3,882.75-1,107.51

Finding the Fourth Proportional to 2,588.50, 3,882.75 and 1,107.51

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Solution

The fourth proportional to 2,588.50, 3,882.75 and 1,107.51 is: 1,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.50 : 3,882.75 = 1,107.51 : x
  2. Step 2: Convert to fraction form
    2,588.50/3,882.75 = 1,107.51/x
  3. Step 3: Cross multiply
    2,588.50x = 3,882.75 × 1,107.51
  4. Step 4: Simplify right side
    2,588.50x = 4,300,184.45
  5. Step 5: Solve for x
    x = 4,300,184.45/2,588.50
  6. Step 6: Final answer
    x = 1,661.27

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.